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Tue, 31 Dec 2019 12:53:11 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=eK2vFgg397hCSVRa2xjSTfCRGKL3OTkCOPxpuJmtpSE=; b=DjJ/f06OTZ5u8SDIj0Ff5HvXz ygTGV4qmY5aq6TU4JxyyVRdg0n8i9ytHFmQ8VYH+TiHhezW7gzXMWpRspCJ/d02GgwDJGJRWqRRFE D0TSSWJWtKdO3oin5SmpqCxvIeNSN12oYILKltspjI4GpPLb2eIN1QkznHJtXe17B4VPLGBUg9HMZ dZ2hI9/CSHi5dOI1rSbiZLyGlr7M+mmGgc/PxU1f4ZOOAzXDKBI96FS8HoFt7bdE2n07+hcGAS0q5 hpuyeL4yGK2MAaRLACjlMnFQvDYkRBXGULIm5mT/ldlsIqFnmdkt7LW0UYDDzErA0DRpekureSSlq r7DY7ZgIA==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1imH0p-0001UC-6u; Tue, 31 Dec 2019 12:52:39 +0000 Date: Tue, 31 Dec 2019 04:52:39 -0800 From: Matthew Wilcox To: Geert Uytterhoeven Message-ID: <20191231125239.GC6788@bombadil.infradead.org> References: <20191223040020.109570-1-yuchao0@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Headers-End: 1imH14-003Wzg-Mz Subject: Re: [f2fs-dev] [PATCH] f2fs: introduce DEFAULT_IO_TIMEOUT_JIFFIES X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Linux Kernel Mailing List , linux-f2fs-devel@lists.sourceforge.net, Linux FS Devel , Jaegeuk Kim Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On Mon, Dec 23, 2019 at 09:41:02AM +0100, Geert Uytterhoeven wrote: > Hi, > > CC linux-fsdevel > > On Mon, Dec 23, 2019 at 5:01 AM Chao Yu wrote: > > As Geert Uytterhoeven reported: > > > > for parameter HZ/50 in congestion_wait(BLK_RW_ASYNC, HZ/50); > > > > On some platforms, HZ can be less than 50, then unexpected 0 timeout > > jiffies will be set in congestion_wait(). It doesn't matter, congestion is broken and has been for years. https://lore.kernel.org/linux-mm/20190923111900.GH15392@bombadil.infradead.org/ _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel